/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.io.gcp.bigquery;



import com.bff.gaia.unified.sdk.coders.*;

import com.bff.gaia.unified.sdk.coders.AtomicCoder;

import com.bff.gaia.unified.sdk.coders.Coder;

import com.bff.gaia.unified.sdk.coders.CoderException;

import com.bff.gaia.unified.sdk.coders.NullableCoder;

import com.bff.gaia.unified.sdk.coders.StringUtf8Coder;



import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;



/** A coder for {@link TableDestination} objects. */

public class TableDestinationCoder extends AtomicCoder<TableDestination> {

  private static final TableDestinationCoder INSTANCE = new TableDestinationCoder();

  private static final Coder<String> tableSpecCoder = StringUtf8Coder.of();

  private static final Coder<String> tableDescriptionCoder = NullableCoder.of(StringUtf8Coder.of());



  private TableDestinationCoder() {}



  public static TableDestinationCoder of() {

    return INSTANCE;

  }



  @Override

  public void encode(TableDestination value, OutputStream outStream) throws IOException {

    if (value == null) {

      throw new CoderException("cannot encode a null value");

    }

    tableSpecCoder.encode(value.getTableSpec(), outStream);

    tableDescriptionCoder.encode(value.getTableDescription(), outStream);

  }



  @Override

  public TableDestination decode(InputStream inStream) throws IOException {

    String tableSpec = tableSpecCoder.decode(inStream);

    String tableDescription = tableDescriptionCoder.decode(inStream);

    return new TableDestination(tableSpec, tableDescription);

  }



  @Override

  public void verifyDeterministic() throws NonDeterministicException {}

}